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by flowswitch
Tue May 31, 2016 9:35 am
Forum: [J] Brainstorm
Topic: UE55J5500 firmware dump
Replies: 13
Views: 9218

Re: UE55J5500 firmware dump

W25Q40B SPI flash dump. It has reversed byte order in dwords. Looks like this is a complete firmware for some separate lightweight Cortex-M core. It listens to some simple commands on UART (connected to main CPU ?). As far as I understand, the main multicore subsystem boots from eMMC boot partition ...
by flowswitch
Tue May 31, 2016 9:10 am
Forum: [J] Brainstorm
Topic: UE55J5500 firmware dump
Replies: 13
Views: 9218

UE55J5500 firmware dump

Our reckless team have dumped both SPI flash and eMMC from 55J5500. Here are some pieces (a full dump is too big, 4GB)

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